[Animalia] Linnaeus, 1758 - animals
   Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Coelenterata Hatschek, 1888 see Infrakingdom Coelenterata Leuckart, 1847
         Cnidaria Hatschek, 1888 - cnidarians
           Anthozoa Ehrenberg, 1831
             Hexaradiata see Subclass Zoantharia de Blainville, 1830
               Actiniaria - sea anemones
                 Nyantheae
                   Mesomyaria see Superfamily Mesomyaria
                     Acontiaria Stephenson, 1935 see Superfamily Acontiaria Stephenson, 1935
                       [Metridium] Blainville, 1824
                         1 Metridium senile (C. Linnaeus, 1761) McMurrich, 1911 - plumose anemone
                         2 Metridium dianthus (Ellis, 1768)